1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/sound/qcom,wcd938x.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Qualcomm WCD9380/WCD9385 Audio Codec 8 9maintainers: 10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> 11 12description: | 13 Qualcomm WCD9380/WCD9385 Codec is a standalone Hi-Fi audio codec IC. 14 It has RX and TX Soundwire slave devices. 15 16allOf: 17 - $ref: dai-common.yaml# 18 19properties: 20 compatible: 21 enum: 22 - qcom,wcd9380-codec 23 - qcom,wcd9385-codec 24 25 reset-gpios: 26 description: GPIO spec for reset line to use 27 maxItems: 1 28 29 us-euro-gpios: 30 description: GPIO spec for swapping gnd and mic segments 31 maxItems: 1 32 33 vdd-buck-supply: 34 description: A reference to the 1.8V buck supply 35 36 vdd-rxtx-supply: 37 description: A reference to the 1.8V rx supply 38 39 vdd-io-supply: 40 description: A reference to the 1.8V I/O supply 41 42 vdd-mic-bias-supply: 43 description: A reference to the 3.8V mic bias supply 44 45 qcom,tx-device: 46 $ref: /schemas/types.yaml#/definitions/phandle-array 47 description: A reference to Soundwire tx device phandle 48 49 qcom,rx-device: 50 $ref: /schemas/types.yaml#/definitions/phandle-array 51 description: A reference to Soundwire rx device phandle 52 53 qcom,micbias1-microvolt: 54 description: micbias1 voltage 55 minimum: 1800000 56 maximum: 2850000 57 58 qcom,micbias2-microvolt: 59 description: micbias2 voltage 60 minimum: 1800000 61 maximum: 2850000 62 63 qcom,micbias3-microvolt: 64 description: micbias3 voltage 65 minimum: 1800000 66 maximum: 2850000 67 68 qcom,micbias4-microvolt: 69 description: micbias4 voltage 70 minimum: 1800000 71 maximum: 2850000 72 73 qcom,hphl-jack-type-normally-closed: 74 description: Indicates that HPHL jack switch type is normally closed 75 type: boolean 76 77 qcom,ground-jack-type-normally-closed: 78 description: Indicates that Headset Ground switch type is normally closed 79 type: boolean 80 81 qcom,mbhc-headset-vthreshold-microvolt: 82 description: Voltage threshold value for headset detection 83 minimum: 0 84 maximum: 2850000 85 86 qcom,mbhc-headphone-vthreshold-microvolt: 87 description: Voltage threshold value for headphone detection 88 minimum: 0 89 maximum: 2850000 90 91 qcom,mbhc-buttons-vthreshold-microvolt: 92 description: 93 Array of 8 Voltage threshold values corresponding to headset 94 button0 - button7 95 minItems: 8 96 maxItems: 8 97 98 '#sound-dai-cells': 99 const: 1 100 101required: 102 - compatible 103 - reset-gpios 104 - qcom,tx-device 105 - qcom,rx-device 106 - qcom,micbias1-microvolt 107 - qcom,micbias2-microvolt 108 - qcom,micbias3-microvolt 109 - qcom,micbias4-microvolt 110 - "#sound-dai-cells" 111 112unevaluatedProperties: false 113 114examples: 115 - | 116 codec { 117 compatible = "qcom,wcd9380-codec"; 118 reset-gpios = <&tlmm 32 0>; 119 #sound-dai-cells = <1>; 120 qcom,tx-device = <&wcd938x_tx>; 121 qcom,rx-device = <&wcd938x_rx>; 122 qcom,micbias1-microvolt = <1800000>; 123 qcom,micbias2-microvolt = <1800000>; 124 qcom,micbias3-microvolt = <1800000>; 125 qcom,micbias4-microvolt = <1800000>; 126 qcom,hphl-jack-type-normally-closed; 127 qcom,ground-jack-type-normally-closed; 128 qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>; 129 qcom,mbhc-headphone-vthreshold-microvolt = <50000>; 130 }; 131 132 /* ... */ 133 134 soundwire@3210000 { 135 #address-cells = <2>; 136 #size-cells = <0>; 137 reg = <0x03210000 0x2000>; 138 wcd938x_rx: codec@0,4 { 139 compatible = "sdw20217010d00"; 140 reg = <0 4>; 141 qcom,rx-port-mapping = <1 2 3 4 5>; 142 }; 143 }; 144 145 soundwire@3230000 { 146 #address-cells = <2>; 147 #size-cells = <0>; 148 reg = <0x03230000 0x2000>; 149 wcd938x_tx: codec@0,3 { 150 compatible = "sdw20217010d00"; 151 reg = <0 3>; 152 qcom,tx-port-mapping = <2 3 4 5>; 153 }; 154 }; 155 156... 157